
int main(void)
{
  int a,b,i;

printf("enter two numbers:");
scanf("%d %d",&a,&b);
printf("add:%d\n",add(a,b));
printf("sub:%d\n",sub(a,b));
printf("mul:%d\n",mul(a,b));
printf("div:%d\n",div(a,b));
for(i=0;i<5202;i++)
{
 
}
return 0;
}


